863646104 has 32 divisors (see below), whose sum is σ = 1716351120. Its totient is φ = 406004736.

The previous prime is 863646061. The next prime is 863646109. The reversal of 863646104 is 401646368.

863646104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863646109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159587 + ... + 164909.

Almost surely, 2^863646104 is an apocalyptic number.

It is an amenable number.

863646104 is a deficient number, since it is larger than the sum of its proper divisors (852705016).

863646104 is a wasteful number, since it uses less digits than its factorization.

863646104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 863646104 is about 29387.8564036236. The cubic root of 863646104 is about 952.3105729398.

The spelling of 863646104 in words is "eight hundred sixty-three million, six hundred forty-six thousand, one hundred four".